A great alternative to more costly full length downpipe. The MadDad Shorty for 2008+ models gives you most of the performance for the dollar and allows flashing to Stage II with popular engine management and suitable catback

This MadDad origonal design using a high positioned metal substrate cat combined with a wastegate that goes catless around the cat is the MadDad cure for boost creep and they have been doing it for over 4 years with this proven setup